Product Information

Z331 cup packer is a kind of self-sealing packer, which relies mainly on the interference contact between sealing elements and the inner wall of the casing to achieve the purpose of sealing the tubing and casing annular.
Since the cup packer itself has no slip, so it has a good saftety and high reliability. Moreover there is no damage to the casing pipe.
Its main components are self-sealing rubber, which is a kind of self-sealing element. This kind of sealing element. This knid of sealing elements has the feature of self-sealing, and holding pressure in one direction and good friction resisting. This kind of sealing element has is a little skirt, and there is a metal frame inside. The external diameter is a little larger than the inner diameter of casing. The packer is interference setting in the well.